// Copyright 2022 jeff.li. and/or its affiliates.
/*
 * Acknowledgement: This file originates from incubator-tvm.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/*!
 * Printer utilities
 * \file node/repr_printer.cc
 */
#include <tbir/ir/_base/repr_printer.h>

#include <tbir/runtime/registry.h>

namespace tbir::runtime {

    void ReprPrinter::Print(const RTValue &value) {
        if (value.type_code() < 0) {
            stream << value;
        } else {
            Print(value.AsObjectRef<ObjectRef>());
        }
    }

    void ReprPrinter::Print(const ObjectRef &node) {
        static const FType &f = vtable();
        if (!node.defined()) {
            stream << "(nullptr)";
        } else {
            if (f.can_dispatch(node)) {
                f(node, this);
            } else {
                // default value, output type key and addr.
                stream << node->GetTypeKey() << "(" << node.get() << ")";
            }
        }
    }

    void ReprPrinter::PrintIndent() {
        for (int i = 0; i < indent; ++i) {
            stream << ' ';
        }
    }

    ReprPrinter::FType &ReprPrinter::vtable() {
        static FType inst;
        return inst;
    }

    void Dump(const ObjectRef &n) {
        std::cerr << n << "\n";
    }

    void Dump(const Object *n) {
        Dump(GetRef<ObjectRef>(n));
    }

    TBIR_REGISTER_GLOBAL("runtime.AsRepr").set_body_typed([](ObjectRef obj) {
        std::ostringstream os;
        os << obj;
        return String(os.str());
    });
}  // namespace tbir::runtime
